[Fortran-dev, committed] scan-dump fix, iso_ts29113.c lower_bound corrections

[Tobias Burnus]

I have committed the attached patch to the Fortran-dev branch (Rev. 198513).

Dump scan: Using scan-tree-dump-times does not seem to handle patterns; 
thus, scan-tree-dump is now used.

runtime/iso_ts29113.c: Correctly set lower_bound for CFI_establish and 
CFI_select_part, I think it should now match the standard. For 
CFI_is_contiguous, I missed to handle negative strides.

Tobias
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